My data looks like below:
unit price quantity salesperson date
$10 5 A 1/1
$10 6 B 1/1
$30 9 A 1/1
$30 10 B 1/1
$10 3 A 1/2
$10 5 B 1/2
$20 7 A 1/2
$20 8 B 1/2
In Tableau, how to calculate the average daily unit sales price each salesperson made? Suppose unit price and quantity are measures, salesperson and date are dimensions.
Thanks a lot!
我想我知道了:总和(单价*数量)/总和(数量)
I'll go ahead and give you the LOD expression, so that you'll have something that will work regardless of your table layout.
{ FIXED [salesperson], [date] : SUM([unit price] * [quantity]) / SUM([quantity]) }
That will give you a table that looks like this:
+------------+----------+-------------+------+-----------------+
| unit price | quantity | salesperson | date | Avg Daily Sales |
+------------+----------+-------------+------+-----------------+
| 10 | 5 | A | 1/1 | 22.86 |
| 10 | 6 | B | 1/1 | 22.5 |
| 30 | 9 | A | 1/1 | 22.86 |
| 30 | 10 | B | 1/1 | 22.5 |
| 10 | 3 | A | 1/2 | 17 |
| 10 | 5 | B | 1/2 | 16.15 |
| 20 | 7 | A | 1/2 | 17 |
| 20 | 8 | B | 1/2 | 16.15 |
+------------+----------+-------------+------+-----------------+
That follows the formula you gave in a comment on Nicarus's answer.
Here's a quick calculation, just to confirm that it works.
On 1/2, Salesman A sold:
( (10 * 3) + (20 * 7) ) / (3 + 7)
= (30 + 140) / 10
= 170 / 10
= 17
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